using System;

public class Program

{

    public static void Main()

    {

        int num = int.Parse(Console.ReadLine());

        if (num == 1)

        {Console.WriteLine("one");}

        else if (num == 2)

        {Console.WriteLine("two");}

        else if (num == 3)

        {Console.WriteLine("three");}

        else if (num == 4)

        {Console.WriteLine("four");}

        else if (num == 5)

        {Console.WriteLine("five");}

        else if (num == 6)

        {Console.WriteLine("six");}

        else if (num == 7)

        {Console.WriteLine("seven");}

        else if (num == 8)

        {Console.WriteLine("eight");}

        else if (num == 9)

        {Console.WriteLine("nine");}

        else

        {Console.WriteLine("number too big");}

    }

}